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German coal mine set to become “giant battery” for storing renewable energy

Proving that coal mining still does have a use in this era of widespread divestment and shifting away from coal power, a German coal mine is about to be turned into essentially a massive battery for storing electricity from renewable energy sources. The Prosper-Haniel hard coal mine in the state of North-Rhine Westphalia that provided coal power to German industry since it opened in 1974 will soon be turned into a 200-megawatt pumped-storage hydroelectric reservoir. When completed the…